That was the beginning of a long phone call. That was the best day of my life. That was the best occurrence so far. That was the best present I've ever received. That was the best result since I was born. That was the best scenery I have seen so far. That was the best tea that I have ever drank. That was the catalyst for me keeping a diary. That was the cause behind them becoming even more popular. That was the customer's mistake. That was the decision. That was the end of the class.